func (context *statusContext) processUnit(unit *state.Unit, serviceCharm string) (status api.UnitStatus) {
status.PublicAddress, _ = unit.PublicAddress()
for _, port := range unit.OpenedPorts() {
status.OpenedPorts = append(status.OpenedPorts, port.String())
}
if unit.IsPrincipal() {
status.Machine, _ = unit.AssignedMachineId()
}
curl, _ := unit.CharmURL()
if serviceCharm != "" && curl != nil && curl.String() != serviceCharm {
status.Charm = curl.String()
}
status.Life,
status.AgentVersion,
status.AgentState,
status.AgentStateInfo,
status.Err = processAgent(unit)
if subUnits := unit.SubordinateNames(); len(subUnits) > 0 {
status.Subordinates = make(map[string]api.UnitStatus)
for _, name := range subUnits {
subUnit := context.unitByName(name)
// subUnit may be nil if subordinate was filtered out.
if subUnit != nil {
status.Subordinates[name] = context.processUnit(subUnit, serviceCharm)
}
}
}
return
}
// OpenedPorts returns the list of opened ports for each given unit.
func (f *FirewallerAPI) OpenedPorts(args params.Entities) (params.PortsResults, error) {
result := params.PortsResults{
Results: make([]params.PortsResult, len(args.Entities)),
}
canAccess, err := f.accessUnit()
if err != nil {
return params.PortsResults{}, err
}
for i, entity := range args.Entities {
var unit *state.Unit
unit, err = f.getUnit(canAccess, entity.Tag)
if err == nil {
result.Results[i].Ports = unit.OpenedPorts()
}
result.Results[i].Error = common.ServerError(err)
}
return result, nil
}